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One mole of liquid water at its boiling ...

One mole of liquid water at its boiling point vaporises against a constant external pressure of 1 atm. At the same temeprature. Assuming ideal behaviour and initial volume of water vapours are zero, the work done by te system nearly

A

`-3102 J`

B

`+3102 J`

C

`-4268 J`

D

`+4268 J`

Text Solution

Verified by Experts

The correct Answer is:
A
`W = -P_(ex)(V_(2)-V_(1))`
`= -P_(ex)((nRT)/(P_(2))-0)`
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